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Constants - J to L

Jj | Kk |  Ll
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  Jj  
    Name Symbol Value  
       

 

  
    Jeroboam   2 magnums
4 standard wine bottles
0.2 nebuchadnezzar 		 
           
  Josephson Constant Josephson constant KJ

483 597.898 ± 0.019 × 109  Hz V −1
conventional value is 483 597.9 × 109 Hz V−1

  
      2e/h    
    Julian year  

365.25 d
3.15576 × 107 s

 
           
           
 
 
 
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  Kk  
    Name Symbol Value  
           
  Khintchine's Constant Khintchine's Constant K

2.685 452 001

  
           
    Kilowatt hour

KWh

3.6 × 106 J

 
           
    Knot (international)

Kn

1 nautical mile h−1
1.852 km h−1
0.514 444 m s−1

  
           
    Knot (UK)  

1 UK nautical mile h−1
1.853 18 km h−1
0.514 7222 m s−1

 
           
 
 
 
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  Ll  
    Name Symbol Value  
           
  Landau-Ramanujan Constant Landau-Ramanujan Constant K 0.764 223 653  
           
  Laplace Limit Constant Laplace Limit Constant λ 0.662 743 419  
           
    League  

3 statute miles (UK on land)
3 UK nautical miles (UK at sea)
3 US nautical miles (US on land or at sea)
4.828 032 × 103 m (UK on land)

  
           
  Lechlanche Cell, em of Lechlanché Cell, emf of   1.46 V  
       
 
  Length, Planck Length, Planck ħ/mPc = (ħG/c 3)1/2 lp 1.6160 ± 0.0012 × 10 −35  m  
           
  Lengyel's Constant Lengyel's Constant Λ

1.098 685 805

  
           
  Lieb's Square ice Constant Lieb's Square Ice Constant
Residual entropy for square ice 		 

1.539 607 178

  
           
  Light Annee-lumiere Light Year
Année-lumière		 ly 9.460 895 × 1015 m  
           
    Light, Speed of (in a Vacuum) c 299 792 458 m s−1
  
           
    Line   0.083 333 333 inch
0.002 116 666 666 m 		 
           
    Linear Expansivity of Copper α 1.7 × 10 −5 K −1  
           
    Linear Expansivity of Steel α 1.17 × 10 −5 K −1 for plain carbon steel (AISI-SAE 1020)  
           
   

Link
Gunter's link
Surveyor's link

 

0.01 chain
7.92 in
0.201168 m

 
           
  Liquid Pint (US) Liquid Pint (US)

US liq pt

 

28.875 in3
4.731 76 × 10−4 m3

 
           
  lq qt Liquid quart (US)

lq qt

2 lq pt
57.75 in3
9.463 52 × 10−4 m3

 
           
  l, L Litre

l, L

10−3 m 3  
           
  Loschmidt Constant Loschmidt Constant n0

2.686 7775 ± 0.000 0047 × 1025 m −3 at 273.15 K and 101.325 kPa

 
           
  Loschmidt Constant (T=273.15K, p=100kPa) Loschmidt Constant (T=273.15K, p=100kPa) Vm 22.710 981 ± 0.000 040 × 10−3 m 3 mol −1  
           
 
 
 
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